CN212504098U - Multi-channel shallow air floatation equipment - Google Patents
Multi-channel shallow air floatation equipment Download PDFInfo
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- CN212504098U CN212504098U CN202021017699.XU CN202021017699U CN212504098U CN 212504098 U CN212504098 U CN 212504098U CN 202021017699 U CN202021017699 U CN 202021017699U CN 212504098 U CN212504098 U CN 212504098U
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Abstract
The utility model discloses a multichannel shallow layer air supporting equipment relates to the sewage treatment field, for reaching above-mentioned purpose, the technical scheme of the utility model: adding air into the sewage to be treated, wherein the air generates a large amount of micro-nano bubbles through the inclined micro-nano functional ceramic membrane, and the micro-nano bubbles bring impurities to the liquid level in the floating process. The method has the characteristics of low energy consumption, high separation efficiency, capability of removing organic matters, low operation cost, low investment and simple maintenance.
Description
Technical Field
The utility model relates to a multichannel shallow layer air supporting equipment mainly relates to the sewage treatment field.
Background
Air flotation is an important water treatment technology, highly dispersed micro bubbles are formed in water through special equipment, the bubbles are adhered to hydrophobic solid or liquid particles in wastewater to form flocs with apparent density smaller than that of the water, the flocs float to the water surface, and a formed scum layer is scraped, so that the aim of separating solid from liquid or liquid from liquid is fulfilled.
The air flotation is applied to the aspects of water supply, industrial wastewater, urban sewage treatment and the like at present, and has the advantages that solid-liquid separation equipment has the characteristics of low investment, small occupied area, high automation degree, convenience in operation and management and the like.
The floc adhered to the solid-liquid surface of the air bubble is generally removed by adopting a mode of combining natural floating and slag scraping, the efficiency of air flotation separation is limited due to the fact that the air flotation tank is deep and the natural floating speed is slow, and if small air bubbles are adopted, the problems of prolonged retention time, reduced efficiency and the like can be caused.
The method for generating micro bubbles by air floatation is commonly used by an aeration method and an air dissolving method. The aeration method is also called as a dispersed air method, and is usually characterized in that a micropore diffusion plate or a diffusion pipe is arranged at the bottom of an air floatation tank, compressed air escapes from the plate surface or the pipe surface into water in the form of tiny bubbles, and the bubbles generated by the method are usually large, so that the air floatation effect is poor. The dissolved air method generally means that air dissolved in water can escape from water when the air pressure on the water surface is reduced, and common equipment includes a pressure pump, a dissolved air tank, an air compressor, a pressure reducing valve and the like, so that the maintenance and management of the equipment are complicated.
SUMMERY OF THE UTILITY MODEL
The not enough of prior art more than, according to the shallow layer principle of deposiing, the utility model provides a multichannel shallow layer air supporting equipment has that the energy consumption is low, separation efficiency is high, can get rid of the organic matter, the running cost is low, the investment is low, maintain simple characteristics.
In order to achieve the above purpose, the technical scheme of the utility model is that: adding air into the sewage to be treated, wherein the air generates a large amount of micro-nano bubbles through the inclined micro-nano functional ceramic membrane, and the micro-nano bubbles bring impurities to the liquid level in the floating process.
The technical principle and the beneficial effects of the utility model are as follows:
the air is subjected to micro-nano treatment through the micro-nano functional ceramic membrane, the diameter of generated micro bubbles can reach micro-nano level, and the contact area, the mass transfer area and the mass transfer efficiency can be greatly improved under the same condition; meanwhile, the nano functional film can generate hydroxyl radicals with certain concentration, so that the microbubble oxidation effect is enhanced.
The multi-channel shallow air floatation device comprises an air floatation tank, a bracket and a plurality of micro-nano functional ceramic membranes; the support is arranged in the air floatation tank, a plurality of micro-nano functional ceramic membranes are sequentially distributed on the support from top to bottom, one end of each micro-nano functional ceramic membrane is fixed on the support, and the other end of each micro-nano functional ceramic membrane is arranged in an upward inclined mode; the support embeds there is the air current passageway, the external air feeder of air current passageway, the lateral wall of air current passageway is equipped with a plurality of exhaust holes the hole of micro-nano function ceramic membrane (3) with the inner intercommunication of air current passageway.
Fill the air to inside through the support, the air bubble upwards floats under the effect of buoyancy, and the unsteady in-process of bubble contacts with micro-nano function ceramic membrane, and micro-nano function ceramic membrane will form micro-nano bubble with the air of injecting into, will have bigger area of contact and mass transfer area by micro-nano bubble, higher mass transfer efficiency to nanometer function membrane can produce the hydroxyl radical of certain concentration, strengthens microbubble oxidation effect. The generated micro-nano air bubbles are adhered to particles in water and separated from the water, so that the particle impurities are separated from the water more efficiently. The method has the characteristics of low energy consumption, high separation efficiency, capability of removing organic matters, low operation cost, low investment and simple maintenance.
Preferably, one end of the micro-nano functional ceramic membrane is plugged, the other end of the micro-nano functional ceramic membrane is provided with an air cavity, the air cavity is communicated with the micro-nano ceramic membrane, and the air cavity is provided with an insertion tube which is inserted into the exhaust hole. The air enters the air cavity through the insertion tube, then enters each inner hole of the micro-nano functional ceramic membrane through the air cavity in a shunting manner, and then enters the liquid through the micropores of the micro-nano ceramic membrane, and at the moment, the air is micro-nano.
Preferably, the support is a vertically arranged wall body, the micro-nano functional ceramic membrane is fixed on two sides of the wall body, and the support of the wall body structure is adopted, so that the overall strength is higher.
Preferably, the other end tip of micro-nano functional ceramic membrane upwards vertical extension has the seal section, the upper end of seal section and last one deck leave between the micro-nano functional ceramic membrane and be equipped with the row cinder notch, through the structure of the bin of above stroke, sewage can be better in inside with the bubble contact of micro-nano ization.
Preferably, a scum scraping device is arranged in the floatation tank above the bracket, so that scum floating on the liquid level can be cleaned conveniently.
Preferably, the slag scraping device comprises a screw, a guide rod and a scraper; the floating slag cleaning device is characterized in that the screw rod and the guide rod are horizontally arranged side by side, two ends of the screw rod are in running fit with the air floatation tank, two ends of the guide rod are fixedly arranged with the fluctuation tank, the scraper corresponds to the screw rod and is provided with a screw hole, the screw hole is in thread fit with the screw rod, the scraper corresponds to the guide rod and is provided with a through hole, the through hole is in sliding fit with the guide rod, the scraper can be driven to slide on the guide rod by rotating the screw rod, and the scum can be cleaned by driving the scraper back and forth.
Preferably, both sides of screw rod are equipped with a guide bar respectively, through both sides setting respectively, can make the screw rod more balanced to scraper blade driven power.
Preferably, the lower edge of the scraper is provided with a plurality of scraping teeth, so that when the scum is driven to move, sewage flows away from the lower part, and liquid can be better separated from the scum.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only three of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of a micro-nano ceramic membrane;
FIG. 4 is a schematic view of a squeegee according to an embodiment of the present invention;
fig. 5 is a schematic view of a slag scraping device according to an embodiment of the present invention.
The device comprises an air floatation tank 1, a support 2, a micro-nano functional ceramic membrane 3, a sealing section 4, a screw rod 5, a scraper 6, scraping teeth 7, a screw hole 8, a through hole 9, a guide rod 10, an exhaust hole 11, an insertion pipe 12 and an airflow channel 13.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely preferred embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in figure 1, the embodiment of the utility model provides a multichannel shallow layer air supporting technology to adding the air bubble in pending sewage, this air bubble generates through the micro-nano functional ceramic membrane 3 of slope.
The micro-nano functional ceramic membrane 3 is a common material, namely a micro-nano ceramic membrane, and air passing through the micro-nano functional ceramic membrane can be processed into a particle with a very small volume due to small aperture.
The air is subjected to micro-nano treatment through the micro-nano functional ceramic membrane 3, the diameter of generated micro bubbles can reach micro-nano level, and the contact area, the mass transfer area and the mass transfer efficiency can be greatly improved under the same condition; meanwhile, the nano functional film can generate hydroxyl radicals with certain concentration, so that the microbubble oxidation effect is enhanced.
The multichannel shallow air flotation equipment comprises an air flotation tank 1, a support 2 and a plurality of micro-nano functional ceramic membranes 3.
The support 2 is arranged in the air floatation tank 1, the micro-nano functional ceramic membranes 3 are sequentially distributed on the support 2 from top to bottom, one end of each micro-nano functional ceramic membrane 3 is fixed on the support 2, and the other end of each micro-nano functional ceramic membrane 3 is arranged in an upward inclined mode. The support 2 is a vertically arranged wall body, the micro-nano functional ceramic membrane 3 is fixed on two sides of the wall body, and the support 2 of the wall body structure is adopted, so that the overall strength is higher.
The support 2 is internally provided with an airflow channel 13, the airflow channel 13 is externally connected with an air supply device, the side wall of the airflow channel 13 is provided with a plurality of exhaust holes 11, and the inner hole of the micro-nano functional ceramic membrane 3 is communicated with the inner end of the airflow channel 13.
Fill the air to inside through support 2, the air forms micro-nano bubble under micro-nano ceramic membrane's effect, micro-nano bubble upwards floats under the effect of buoyancy, the unsteady in-process of bubble contacts with micro-nano function ceramic membrane 3, micro-nano function ceramic membrane 3 is with the micro-nano ization of air bubble, the bubble of being micro-nano will have bigger area of contact and mass transfer area, higher mass transfer efficiency to nano function membrane can produce the hydroxyl radical of certain concentration, strengthens microbubble oxidation effect. The generated micro-nano air bubbles are adhered to particles in water and separated from the water, so that the particle impurities are separated from the water more efficiently.
One end of the micro-nano functional ceramic membrane 3 is plugged, the other end of the micro-nano functional ceramic membrane is provided with an air cavity, the air cavity is communicated with the micro-nano ceramic membrane, the air cavity is provided with an inserting tube 12, and the inserting tube 12 is inserted into the exhaust hole 11. Air enters the air cavity through the insertion tube 12, then enters each inner hole of the micro-nano functional ceramic membrane 3 through the air cavity in a shunting manner, and then enters liquid through the micropores of the nano ceramic membrane, and at the moment, the air is micro-nano.
This embodiment is equipped with a plurality of supports 2, leaves between the micro-nano functional ceramic membrane 3 of adjacent support 2 to be equipped with the sediment passageway.
The other end tip of micro-nano functional ceramic membrane 3 upwards vertically extends has seal section 4, the upper end of seal section 4 and last one deck leave between the micro-nano functional ceramic membrane 3 and be equipped with the slag notch, through the structure of the bin of above stroke, sewage can be better in inside with the bubble contact of micro-nano ization. A scum scraping device is arranged in the floatation tank 1 above the support 2, so that scum floating on the liquid level can be cleaned conveniently.
The slag scraping device comprises a screw rod 5, a guide rod 10 and a scraper 6; screw rod 5 and guide bar 10 level set up side by side, 5 both ends of screw rod with 1 normal running fit in air supporting pond, the both ends of guide bar 10 with the air supporting pond is fixed to be set up, scraper blade 6 corresponds screw rod 5 is equipped with screw 8, screw 8 with 5 screw-thread fit of screw rod, scraper blade 6 corresponds guide bar 10 is equipped with through-hole 9, through-hole 9 with guide bar 10 sliding fit can drive scraper blade 6 and slide on guide bar 10 through rotating screw rod 5, makes a round trip to drive scraper blade 6, can realize the clearance to the dross. Two sides of the screw rod 5 are respectively provided with a guide rod 10, and the driving force of the screw rod 5 to the scraper 6 can be more balanced through the respective arrangement of the two sides. The lower edge of the scraper 6 is provided with a plurality of scraping teeth 7, so that when the scum is driven to move, sewage flows away from the lower part, and liquid can be better separated from the scum.
The gas generated by the micro-nano functional ceramic membrane 3 repels flocs, is discharged to the middle slag discharge channel under the pushing of the rising acting force of bubbles along the lower part of the ceramic membrane, is discharged to the top under the upward lifting action of the gas in the middle channel, and is finally discharged by the slag scraping equipment.
The technical scheme has the characteristics of low air floatation energy consumption, high separation efficiency, capability of removing organic matters, low operation cost, low investment, simple maintenance and the like.
1. The utility model micro-nano air (or other gases) is processed by the micro-nano functional ceramic membrane 3, the diameter of the generated micro bubbles can reach micro-nano level, and the contact area, the mass transfer area and the mass transfer efficiency can be greatly improved under the same condition; hydroxyl free radicals with certain concentration can be generated in the micro-nano process, and the micro-bubble oxidation effect is enhanced.
2. The utility model discloses a multichannel that a plurality of micro-nano function ceramic membrane 3 were arranged and are formed constitutes, for high-efficient air supporting separation provides probably, has reinforceed the separation effect.
3. The utility model discloses slag discharge system make full use of the characteristics lifting action of bubble come-up, make the dross constantly discharge under gas dynamic, saved power.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The multi-channel shallow air floatation equipment is characterized by comprising an air floatation tank (1), a bracket (2) and a plurality of micro-nano functional ceramic membranes (3);
the support (2) is arranged in the air floatation tank (1), a plurality of micro-nano functional ceramic membranes (3) are sequentially distributed on the support (2) from top to bottom, one end of each micro-nano functional ceramic membrane (3) is fixed on the support (2), and the other end of each micro-nano functional ceramic membrane (3) is arranged in an upward inclined mode;
the support (2) is internally provided with an airflow channel, the airflow channel is externally connected with an air supply device, the side wall of the airflow channel is provided with a plurality of exhaust holes, and the inner hole of the micro-nano functional ceramic membrane (3) is communicated with the inner end of the airflow channel.
2. The multi-channel shallow air flotation device as claimed in claim 1, characterized in that: one end of the micro-nano functional ceramic membrane (3) is plugged, the other end of the micro-nano functional ceramic membrane is provided with an air cavity, the air cavity is communicated with the micro-nano ceramic membrane, the air cavity is provided with an insertion tube (12), and the insertion tube (12) is inserted into the exhaust hole (11).
3. The multi-channel shallow air flotation device as claimed in claim 1, characterized in that: the support (2) is a vertically arranged wall body, and the micro-nano functional ceramic membranes (3) are fixed on two sides of the wall body.
4. The multi-channel shallow air flotation device as claimed in claim 1, characterized in that: the other end of the micro-nano functional ceramic membrane (3) vertically extends upwards to form a sealing section (4), and a slag discharge port is reserved between the upper end of the sealing section (4) and the last layer of the micro-nano functional ceramic membrane (3).
5. The multi-channel shallow air flotation device as claimed in claim 1, characterized in that: a slag scraping device is arranged in the air floatation tank (1) above the bracket (2).
6. The multi-channel shallow air flotation device according to claim 5, characterized in that: the slag scraping device comprises a screw (5), a guide rod (10) and a scraper (6); screw rod (5) and guide bar (10) level set up side by side, screw rod (5) both ends with air supporting pond (1) normal running fit, the both ends of guide bar (10) with the air supporting pond is fixed to be set up, scraper blade (6) correspond screw rod (5) are equipped with screw (8), screw (8) with screw rod (5) screw-thread fit, scraper blade (6) correspond guide bar (10) are equipped with through-hole (9), through-hole (9) with guide bar (10) sliding fit.
7. The multi-channel shallow air flotation device according to claim 6, characterized in that: two sides of the screw rod (5) are respectively provided with a guide rod (10).
8. The multi-channel shallow air flotation device according to claim 6, characterized in that: the lower edge of the scraping plate (6) is provided with a plurality of scraping teeth (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017699.XU CN212504098U (en) | 2020-06-05 | 2020-06-05 | Multi-channel shallow air floatation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017699.XU CN212504098U (en) | 2020-06-05 | 2020-06-05 | Multi-channel shallow air floatation equipment |
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| Publication Number | Publication Date |
|---|---|
| CN212504098U true CN212504098U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021017699.XU Active CN212504098U (en) | 2020-06-05 | 2020-06-05 | Multi-channel shallow air floatation equipment |
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| CN (1) | CN212504098U (en) |
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- 2020-06-05 CN CN202021017699.XU patent/CN212504098U/en active Active
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